EMC EMCSA E20-559 Questions & Answers

• Question 51:

  A storage administrator has configured two SmartConnect zones on an Isilon cluster labeled ZoneA and

  ZoneB. Source-Based Routing has been enabled on the cluster.

  How will the outgoing network packets from the cluster be routed back to the requesting IP?

  A. Both zones will use the source IP to route the packets

  B. Both zones will use the highest priority default gateway

  C. ZoneB will route all packets through ZoneA

  D. ZoneA will route all packets through ZoneB

  Correct Answer: A

• Question 52:

  A storage administrator is using an Isilon cluster with a large number of clients accessing the same data. Which data layout is best suited for this workflow?

  A. Concurrency

  B. Random

  C. Streaming

  D. Mixed

  Correct Answer: A

• Question 53:

  Which Isilon data protection offers additional safety during data rebuilds and is the minimum required protection for node pools containing drives that are 6 TB or larger?

  A. 3X

  B. N+2d:1n

  C. N+3d:1n1d

  D. N+3d:1n

  Correct Answer: C

• Question 54:

  What can be configured on the SmartPools page in the web administration interface of an Isilon cluster?

  A. GNA, VHS, L3 cache, Global Spillover

  B. Address pools, L2 cache, tiers, snapshot storage

  C. L1 cache, file pool policies, VHS, notifications

  D. Data access pattern, protection setting, VHS, deduplication

  Correct Answer: A

• Question 55:

  Which Isilon protection setting will require the least percentage of overhead for a 1024KB file?

  A. N+1n in a 4-node node pool

  B. N+2n in a 10-node node pool

  C. N+2d:1n in a 4-node node pool

  D. N+3d:1n in a 5-node node pool

  Correct Answer: B

• Question 56:

  Which setting may be modified on an Isilon cluster by the file system explorer, file pool policies, and the isi set command?

  A. Data Layout

  B. VHS Space Reservation

  C. File Permissions

  D. Access Zone Membership

  Correct Answer: A

• Question 57:

  A storage administrator has an Isilon cluster consisting of 20 nodes. The nodes have identical hardware

  and are members of a single node pool. All files are being protected at N+2d:1n.

  What is the largest file that can be written in a single stripe on this cluster?

  A. 1024 KB

  B. 2048 KB

  C. 2304 KB

  D. 2560 KB

  Correct Answer: B

• Question 58:

  Which component is passive during LACP communication between the cluster and the Ethernet switch?

  A. Isilon

  B. Switch

  C. MAC address

  D. SmartConnect zone

  Correct Answer: A

• Question 59:

  What is a characteristic of L3 cache on an Isilon cluster?

  A. Contents will be persistent through a node reboot

  B. Accessed only by clients connecting to the node it is on

  C. Only holds file data that has been stored on SSD drives

  D. Must be the same size as the L2 cache

  Correct Answer: A

• Question 60:

  When are file pool policy actions applied to files?

  A. When a file is written for path-based filters after SmartPools job has run at least once

  B. When a file is read for node pool location-based actions after the SmartPools job has run at least once

  C. When the SetProtectPlus job runs for clusters with multiple file pool policies

  D. When a file is modified for the first time after the SetProtectPlus job has run at least once

  Correct Answer: A